542644410 has 128 divisors (see below), whose sum is σ = 1650751488. Its totient is φ = 110880000.

The previous prime is 542644393. The next prime is 542644447. The reversal of 542644410 is 14446245.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138985 + ... + 142835.

It is an arithmetic number, because the mean of its divisors is an integer number (12896496).

Almost surely, 2^542644410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542644410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825375744).

542644410 is an abundant number, since it is smaller than the sum of its proper divisors (1108107078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542644410 is a wasteful number, since it uses less digits than its factorization.

542644410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 542644410 is about 23294.7292321675. The cubic root of 542644410 is about 815.6523864206.

The spelling of 542644410 in words is "five hundred forty-two million, six hundred forty-four thousand, four hundred ten".